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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Pleasure to my eyes
Difficult to read
give us a hint
test 3 is '369'
According to task, 1 number can be either one of '326'
2 - '6359'
3 - '968'
So your choices aren't possible. Probably you're forgetting about sequence which is important
"Testing to see if you tried a certain short-cut" - I thought using short-cuts is the main idea of Python